Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net earnings	$ 109.8	$ 68.2	$ 179.9	$ 92.1
Other comprehensive income (loss):
Foreign currency translation adjustment	(9.1)	(8.6)	(12.4)	(39.6)
Translation adjustments on net investment hedge, net of income taxes of $1.0, $(3.6), $0.6 and $3.8, respectively	1.7	(5.9)	0.9	6.2
Translation adjustments of long-term intercompany loans	14.4	(2.5)	16.7	(26.1)
Unrealized (loss) gain on investments, less income taxes of $1.0, $(0.4), $1.3 and $0.0, respectively	(0.2)	(1.2)	1.5	0
Defined benefit pension plans and retiree health care plan, less income taxes of $0.4, $1.0, $0.4 and $1.0, respectively	1.3	2.2	1.3	2.2
Total other comprehensive income (loss)	8.1	(16.0)	8.0	(57.3)
Comprehensive income	$ 117.9	$ 52.2	$ 187.9	$ 34.8